Finding the Fourth Proportional to 156,844.46, 216,420.99 and 93,180.62
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Solution
The fourth proportional to 156,844.46, 216,420.99 and 93,180.62 is: 128,574.78
Step by Step Solution
- Step 1: Write the proportion equation
156,844.46 : 216,420.99 = 93,180.62 : x - Step 2: Convert to fraction form
156,844.46/216,420.99 = 93,180.62/x - Step 3: Cross multiply
156,844.46x = 216,420.99 × 93,180.62 - Step 4: Simplify right side
156,844.46x = 20,166,242,029.21 - Step 5: Solve for x
x = 20,166,242,029.21/156,844.46 - Step 6: Final answer
x = 128,574.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.